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Curated by: Khan Academy India - English (28 videos)
Let's talk about adding and subtracting events. Lets leverage our knowledge from the chapter Sets to find intersection and union of events! Specifically, we find A or B, A and B, and A but not B - for two given sets A and B. We then practice what we've learnt by solving some more problems. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/math/ncert-class-11/xea4762213f311c5e:probability-ncert-new/xea4762213f311c5e:untitled-1179/e/algebra-of-probabilities-of-events) Timestamps: 00:00 Visualising addition, union, and intersection 03:42 Set builder form for algebra of events 05:13 Practice (Finding A or B, A and B, A but not B) 05:50 Solutions (Algebraically solving) Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Ashish Gupta